[INFO] fetching crate slitter 0.1.0...
[INFO] testing slitter-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate slitter 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate slitter 0.1.0
[INFO] finished tweaking crates.io crate slitter 0.1.0
[INFO] tweaked toml for crates.io crate slitter 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slitter 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75267a04601916d1c94a68ee2e9cbe14f96dbeb071036f910cb2607fa5fe42a
[INFO] running `Command { std: "docker" "start" "-a" "b75267a04601916d1c94a68ee2e9cbe14f96dbeb071036f910cb2607fa5fe42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75267a04601916d1c94a68ee2e9cbe14f96dbeb071036f910cb2607fa5fe42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75267a04601916d1c94a68ee2e9cbe14f96dbeb071036f910cb2607fa5fe42a", kill_on_drop: false }`
[INFO] [stdout] b75267a04601916d1c94a68ee2e9cbe14f96dbeb071036f910cb2607fa5fe42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb3b5c45927c3c973bba89b46247374160cf081c314b00a98684b4c205beffc
[INFO] running `Command { std: "docker" "start" "-a" "beb3b5c45927c3c973bba89b46247374160cf081c314b00a98684b4c205beffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling slitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling disabled_contracts v0.1.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mill::GUARD_PAGE_SIZE`
[INFO] [stdout]   --> src/mapper.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use crate::mill::GUARD_PAGE_SIZE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/class.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct ClassInfo {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 56 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub id: Class,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_end` is never read
[INFO] [stdout]    --> src/mill.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct AllocatedChunk<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub data_end: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatedChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { Box::from_raw(dummy) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { let _ = Box::from_raw(dummy); };
[INFO] [stdout]     |                      +++++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:349:22
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { Box::from_raw(new_slice) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { let _ = Box::from_raw(new_slice); };
[INFO] [stdout]     |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "beb3b5c45927c3c973bba89b46247374160cf081c314b00a98684b4c205beffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb3b5c45927c3c973bba89b46247374160cf081c314b00a98684b4c205beffc", kill_on_drop: false }`
[INFO] [stdout] beb3b5c45927c3c973bba89b46247374160cf081c314b00a98684b4c205beffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beffe9299182c3c2b09c64192e48d2f72932d3b6187903168c75793fa6c1d508
[INFO] running `Command { std: "docker" "start" "-a" "beffe9299182c3c2b09c64192e48d2f72932d3b6187903168c75793fa6c1d508", kill_on_drop: false }`
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mill::GUARD_PAGE_SIZE`
[INFO] [stdout]   --> src/mapper.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use crate::mill::GUARD_PAGE_SIZE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]   --> src/class.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct ClassInfo {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 56 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub id: Class,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_end` is never read
[INFO] [stdout]    --> src/mill.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 242 | struct AllocatedChunk<'a> {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub data_end: usize,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AllocatedChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { Box::from_raw(dummy) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |             unsafe { let _ = Box::from_raw(dummy); };
[INFO] [stdout]     |                      +++++++                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/cache.rs:349:22
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { Box::from_raw(new_slice) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |             unsafe { let _ = Box::from_raw(new_slice); };
[INFO] [stdout]     |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling contracts v0.6.6
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling slitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0767]: use of unreachable label `'run`
[INFO] [stdout]    --> src/mill.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | /     #[invariant(debug_arange_map::is_metadata(self.meta as usize, METADATA_PAGE_SIZE).is_ok(),
[INFO] [stdout] 496 | |                "The metadata region is marked as such.")]
[INFO] [stdout]     | |                                                         ^
[INFO] [stdout]     | |                                                         |
[INFO] [stdout]     | |_________________________________________________________unreachable label `'run`
[INFO] [stdout]     |                                                           unreachable label defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: labels are unreachable through functions, closures, async blocks and modules
[INFO] [stdout]     = note: this error originates in the attribute macro `invariant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:433:15
[INFO] [stdout]     |
[INFO] [stdout] 433 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 433 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 433 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 435 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 435 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:492:15
[INFO] [stdout]     |
[INFO] [stdout] 492 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 492 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 492 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/cache.rs:494:19
[INFO] [stdout]     |
[INFO] [stdout] 494 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 494 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 494 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 263 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 263 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 265 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 265 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:340:15
[INFO] [stdout]     |
[INFO] [stdout] 340 |         #[cfg(features = "c_fast_path")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 340 -         #[cfg(features = "c_fast_path")]
[INFO] [stdout] 340 +         #[cfg(feature = "c_fast_path")]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/magazine_impl.rs:342:19
[INFO] [stdout]     |
[INFO] [stdout] 342 |         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 342 -         #[cfg(not(features = "c_fast_path"))]
[INFO] [stdout] 342 +         #[cfg(not(feature = "c_fast_path"))]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0268]: `break` outside of a loop or labeled block
[INFO] [stdout]    --> src/mill.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | /     #[invariant(debug_arange_map::is_metadata(self.meta as usize, METADATA_PAGE_SIZE).is_ok(),
[INFO] [stdout] 496 | |                "The metadata region is marked as such.")]
[INFO] [stdout]     | |_________________________________________________________^ cannot `break` outside of a loop or labeled block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `invariant` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debug_allocation_map.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut info = map
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debug_allocation_map.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut info = map
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0268, E0767.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0268`.
[INFO] [stdout] 
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] warning: slitter@0.1.0: cargo:rustc-cdylib-link-arg was specified in the build script of slitter v0.1.0 (/opt/rustwide/workdir), but that package does not contain a cdylib target
[INFO] [stderr] 
[INFO] [stderr] Allowing this was an unintended change in the 1.50 release, and may become an error in the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
[INFO] [stderr] error: could not compile `slitter` (lib test) due to 2 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "beffe9299182c3c2b09c64192e48d2f72932d3b6187903168c75793fa6c1d508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beffe9299182c3c2b09c64192e48d2f72932d3b6187903168c75793fa6c1d508", kill_on_drop: false }`
[INFO] [stdout] beffe9299182c3c2b09c64192e48d2f72932d3b6187903168c75793fa6c1d508